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Chapter 4

Chemical Quantities and Aqueous Reactions

القياس الكيميائي للتفاعل
القياس الكيميائي للتفاعل
A balanced chemical equation provides a great deal of information in a very succinct format. Chemical formulas provide the identities of the reactants and ...
المادة المحدِّدة للتفاعل
المادة المحدِّدة للتفاعل
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in ...
عائد التفاعل
عائد التفاعل
The theoretical yield of a reaction is the amount of product estimated to form based on the stoichiometry of the balanced chemical equation. The ...
الخصائص العامة للمحاليل
الخصائص العامة للمحاليل
Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed ...
تركيز المحلول والتخفيف
تركيز المحلول والتخفيف
The relative amount of a given solution component is known as its concentration. Often, though not always, a solution contains one component with a ...
محاليل الإلكتروليت واللا إلكتروليت
محاليل الإلكتروليت واللا إلكتروليت
Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a ...
ذوبان المركبات الأيونية
ذوبان المركبات الأيونية
Solubility is the measure of the maximum amount of solute that can be dissolved in a given quantity of solvent at a given temperature and pressure. ...
التفاعلات الكيميائية في المحاليل المائية
التفاعلات الكيميائية في المحاليل المائية
Chemical substances interact in many different ways. Certain chemical reactions exhibit common patterns of reactivity. Due to the vast number of chemical ...
تفاعلات الترسيب
تفاعلات الترسيب
In a precipitation reaction, aqueous solutions of soluble salts react to give an insoluble ionic compound – the precipitate. The reaction occurs ...
تفاعلات الأكسدة-اختزال
تفاعلات الأكسدة-اختزال
Oxidation–Reduction Reactions Earth’s atmosphere contains about 20% molecular oxygen, O2, a chemically reactive gas that plays an essential ...
أعداد التأكسد
أعداد التأكسد
In redox reactions, the transfer of electrons occurs between reacting species. Electron transfer is described by a hypothetical number called the ...
الأحماض والقواعد وتفاعلات التحييد
الأحماض والقواعد وتفاعلات التحييد
An acid-base reaction is one in which a hydrogen ion, H+, is transferred from one chemical species to another. Such reactions are of central importance to ...
تفاعلات التجميع والتفكّك
تفاعلات التجميع والتفكّك
Synthesis and decomposition are two types of redox reactions. Synthesis means to make something, whereas decomposition means to break something. The ...
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